Starting the engine was the first thing we wanted to do, but with a high degree of caution as we were unaware of the engine's internal state. The seller had mentioned that the bike only needed the CDI replaced, so we decided to first check if there was a spark being generated at the spark-plug.
The existing CDI had been repaired and was in horrid shape, even unrecognisable, no part numbers, brand or any identification to help source a replacement part. Attempting a few kicks revealed that there was no spark being generated to the plugs. Testing reveals the CDI is shot and beyond salvage.
Making some calls to used parts shops in Panchikawatta (The area most famous for used motorcycle and car parts) we find that there are a couple of CDIs available that may be compatible but need testing. Bringing the 2 CDIs on the condition they will be returned if not working, on the same day we try them, but no luck whatsoever.
We would now have to consider many factors for the failure to generate a spark. Could it be the messy wireharness that has been cut and chopped, the flywheel coil, pulser or any other electrical component? Next day.
The coil checked and confirmed to be in good condition, and wireharness repaired, we test the temporarily purchased CDIs; all attempts turn out unsuccessful, the CDIs are faulty and we need to get an item that works. Making calls to every possible used parts shop and visiting every motorcycle garage I pass proves to be futile. ebay has a few CDIs listed but at ridiculous prices and there is no guarantee they will work. Also checked on programmable CDIs, these costs over 4 times the price I payed for the bike itself; that's most certainly not an option.
The bike will stay this way till I find an 84 ypvs CDI which by no means is going to be an easy task.
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